Digitalized and intelligent shaft axis processing method and device for hydraulic turbine generator unit

Abstract

The present application relates to a digitalized and intelligent shaft axis processing method and device for a hydraulic turbine generator unit, and a computer device, a storage medium and a computer program product. The method comprises: receiving runout data collected by a dial indicator disposed on a designated part of the hydraulic turbine generator unit; generating net runout curves of the designated part based on the runout data, calculating net total runout data of the designated part based on the net runout curves, and generating a shaft axis data diagram of the hydraulic turbine generator unit, and performing a shaft axis processing prediction for the hydraulic turbine generator unit based on the net total runout data and the shaft axis data diagram to obtain a shaft axis processing scheme for the hydraulic turbine generator unit.

What is claimed is: 
     
         1 . A digitalized and intelligent shaft axis processing method for a hydraulic turbine generator unit, wherein the hydraulic turbine generator unit comprises a dial indicator disposed on a designated part and a terminal, the dial indicator is connected to the terminal via a data cable, and the shaft axis processing method for the hydraulic turbine generator unit comprises:
 the dial indicator collecting first runout data of the designated part in a first preset direction (X) at multiple shaft angle positions and second runout data of the designated part in a second preset direction (Y) at the multiple shaft angle positions during a rotation of the hydraulic turbine generator unit;   the terminal receiving the first runout data of the designated part of the hydraulic turbine generator unit in the first preset direction (X) at the multiple shaft angle positions and the second runout data of the designated part in the second preset direction (Y) at the multiple shaft angle positions sent by the dial indicator;   the terminal generating a first net runout curve of the first preset direction based on the first runout data, and generating a second net runout curve of the second preset direction based on the second runout data;   the terminal performing a matching detection on the first net runout curve and the second net runout curve to determine whether the first net runout curve and the second net runout curve match with each other;   corresponding to a determination that the first net runout curve and the second net runout curve match with each other, the terminal using the first net runout curve and the second net runout curve as the net runout curves of the designated part, and corresponding to a determination that the first net runout curve and the second net runout curve do not match with each other, the terminal checking whether collected data is incorrect or instructing the dial indicator to repeat measurement to generate new net runout curves for the matching detection;   the terminal calculating net total runout data of the designated part based on the net runout curves of the designated part, and generating a shaft axis data diagram of the hydraulic turbine generator unit based on the net total runout data;   the terminal performing a shaft axis processing prediction for the hydraulic turbine generator unit based on the net total runout data and the shaft axis data diagram to obtain a shaft axis processing scheme for the hydraulic turbine generator unit; and   a display unit of the terminal outputting the shaft axis processing scheme to guide an adjustment of the hydraulic turbine generator unit on site to correct the shaft axis of the hydraulic turbine generator unit to a qualified operating state.   
     
     
         2 . The method according to  claim 1 , wherein dial indicators are disposed in the first preset direction (X) and the second preset direction (Y) of the designated part, respectively; and the designated part comprises at least one of a lower guide bearing, an intermediate shaft upper flange, an intermediate shaft lower flange, or a water guide bearing. 
     
     
         3 . The method according to  claim 1 , further comprising: corresponding to the determination that the first net runout curve and the second net runout curve do not match with each other, the terminal generating an alarm signal. 
     
     
         4 . The method according to  claim 1 , wherein the terminal performing the shaft axis processing prediction for the hydraulic turbine generator unit based on the net total runout data and the shaft axis data diagram to obtain the shaft axis processing scheme for the hydraulic turbine generator unit, comprises:
 the terminal obtaining a diameter of a thrust collar clamping ring of the hydraulic turbine generator unit and a distance between each designated part and a restraint guide bearing of the hydraulic turbine generator unit, and using the diameter and the distances as equipment parameters of the hydraulic turbine generator unit; and   the terminal performing the shaft axis processing prediction for the hydraulic turbine generator unit based on the equipment parameters, the net total runout data, and the shaft axis data diagram to obtain the shaft axis processing scheme for the hydraulic turbine generator unit.   
     
     
         5 . The method according to  claim 4 , wherein the terminal obtaining the diameter of the thrust collar clamping ring of the hydraulic turbine generator unit and the distance between each designated part and the restraint guide bearing of the hydraulic turbine generator unit, comprises:
 an input device of the terminal receiving the diameter of the thrust collar clamping ring of the hydraulic turbine generator unit and the distance between each designated part and the restraint guide bearing of the hydraulic turbine generator unit.   
     
     
         6 . The method according to  claim 4 , wherein the terminal performing the shaft axis processing prediction for the hydraulic turbine generator unit based on the equipment parameters, the net total runout data, and the shaft axis data diagram to obtain the shaft axis processing scheme for the hydraulic turbine generator unit, comprises:
 performing the shaft axis processing prediction for the hydraulic turbine generator unit based on the equipment parameters, the net total runout data, and the shaft axis data diagram to obtain a shaft axis processing scheme for the designated part and a comprehensive shaft axis processing scheme for the hydraulic turbine generator unit;   generating a scraping scheme for thrust collar clamping ring of the hydraulic turbine generator unit and a diagram of scraping amount for each zone of the thrust collar clamping ring of the hydraulic turbine generator unit based on the shaft axis processing scheme for the designated part and the comprehensive shaft axis processing scheme for the hydraulic turbine generator unit; and   using the scraping scheme for the thrust collar clamping ring and the diagram of the scraping amount for each zone of the thrust collar clamping ring as the shaft axis processing scheme for the hydraulic turbine generator unit.   
     
     
         7 . The method according to  claim 6 , wherein after the terminal using the scraping scheme for the thrust collar clamping ring and the diagram of the scraping amount for each zone of the thrust collar clamping ring as the shaft axis processing scheme for the hydraulic turbine generator unit, the method further comprises:
 the terminal generating a comparison diagram of shaft axis states of the hydraulic turbine generator unit before and after the thrust collar clamping ring is scraped based on the scraping scheme for the thrust collar clamping ring and the diagram of the scraping amount for each zone of the thrust collar clamping ring; and   the terminal using the shaft axis processing scheme and the comparison diagram of the shaft axis states as auxiliary information for scraping the thrust collar clamping ring of the hydraulic turbine generator unit.   
     
     
         8 . The method according to  claim 7 , wherein each zone of the thrust collar clamping ring is a circumferential zone, and the diagram of the scraping amount for each zone of the thrust collar clamping ring indicates a thickness of material to be mechanically removed from the clamping ring in different circumferential zones. 
     
     
         9 . The method according to  claim 1 , wherein the terminal calculating the net total runout data of the designated part based on the net runout curves of the designated part, and generating the shaft axis data diagram of the hydraulic turbine generator unit based on the net total runout data, comprises:
 calculating the net total runout data of the designated part based on the net runout curves, and generating a shaft axis state diagram and a shaft runout polar plot of the hydraulic turbine generator unit before the shaft axis is processed based on the net total runout data of the designated part; and   using both the shaft axis state diagram and the shaft runout polar plot as the shaft axis data diagrams.   
     
     
         10 . A digitalized and intelligent shaft axis processing device for a hydraulic turbine generator unit, wherein the hydraulic turbine generator unit comprises a dial indicator disposed in a designated part, the dial indicator is connected to the digitalized and intelligent shaft axis processing device for the hydraulic turbine generator unit via a data cable;
 the dial indicator is configured to collect first runout data of the designated part in a first preset direction (X) at multiple shaft angle positions and second runout data of the designated part in a second preset direction (Y) at the multiple shaft angle positions during a rotation of the hydraulic turbine generator unit; and   the digitalized and intelligent shaft axis processing device for the hydraulic turbine generator unit comprises:
 a data acquisition circuit, an input terminal of the data acquisition circuit being connected to an output terminal of the dial indicator, and the data acquisition circuit being configured to receive the first runout data of the designated part of the hydraulic turbine generator unit in the first preset direction (X) at the multiple shaft angle positions and the second runout data of the designated part in the second preset direction (Y) at the multiple shaft angle positions sent by the dial indicator; 
 a curve generation circuit, an input terminal of the curve generation circuit being connected to an output terminal of the data acquisition circuit, and the curve generation circuit being configured to generate a first net runout curve of the first preset direction based on the first runout data, and generate a second net runout curve of the second preset direction based on the second runout data; perform a matching detection on the first net runout curve and the second net runout curve to determine whether the first net runout curve and the second net runout curve match with each other; corresponding to a determination that the first net runout curve and the second net runout curve match with each other, use the first net runout curve and the second net runout curve as the net runout curves of the designated part, and corresponding to a determination that the first net runout curve and the second net runout curve do not match with each other, check whether collected data is incorrect or instruct the dial indicator to repeat measurement to generate new net runout curves for the matching detection; 
 a data calculation circuit, an input terminal of the data calculation circuit being connected to an output terminal of the curve generation circuit, and the data calculation circuit being configured to calculate net total runout data of the designated part based on the net runout curves of the designated part, and generate a shaft axis data diagram of the hydraulic turbine generator unit based on the net total runout data; 
 a unit prediction circuit, an input terminal of the unit prediction circuit being connected to an output terminal of the data calculation circuit, and the unit prediction circuit being configured to perform a shaft axis processing prediction for the hydraulic turbine generator unit based on the net total runout data and the shaft axis data diagram to obtain a shaft axis processing scheme for the hydraulic turbine generator unit; and 
 a display unit, an input terminal of the display unit being connected to an output terminal of the unit prediction circuit, and the display unit being configured to output the shaft axis processing scheme to guide an adjustment of the hydraulic turbine generator unit on site to correct the shaft axis of the hydraulic turbine generator unit to a qualified operating state. 
   
     
     
         11 . The device according to  claim 10 , wherein dial indicators are disposed in the first preset direction (X) and the second preset direction (Y) of the designated part, respectively; the designated part comprises at least one of a lower guide bearing, an intermediate shaft upper flange, an intermediate shaft lower flange, or a water guide bearing. 
     
     
         12 . The device according to  claim 10 , wherein the curve generation circuit is further configured to generate an alarm signal corresponding to the determination that the first net runout curve and the second net runout curve do not match with each other. 
     
     
         13 . The device according to  claim 10 , wherein the unit prediction circuit is further configured to obtain a diameter of a thrust collar clamping ring of the hydraulic turbine generator unit and a distance between each designated part and a restraint guide bearing of the hydraulic turbine generator unit, and use the diameter and the distances as equipment parameters of the hydraulic turbine generator unit; and perform the shaft axis processing prediction for the hydraulic turbine generator unit based on the equipment parameters, the net total runout data, and the shaft axis data diagram to obtain the shaft axis processing scheme for the hydraulic turbine generator unit. 
     
     
         14 . The device according to  claim 13 , further comprising an input device configured to receive the diameter of the thrust collar clamping ring of the hydraulic turbine generator unit and the distance between each designated part and the restraint guide bearing of the hydraulic turbine generator unit. 
     
     
         15 . The device according to  claim 13 , wherein the unit prediction circuit is further configured to perform the shaft axis processing prediction for the hydraulic turbine generator unit based on the equipment parameters, the net total runout data, and the shaft axis data diagram to obtain a shaft axis processing scheme for the designated part and a comprehensive shaft axis processing scheme for the hydraulic turbine generator unit; generate a scraping scheme for thrust collar clamping ring and a diagram of scraping amount for each zone of the thrust collar clamping ring of the hydraulic turbine generator unit based on the shaft axis processing scheme for the designated part and the comprehensive shaft axis processing scheme for the hydraulic turbine generator unit; and use the scraping scheme for the thrust collar clamping ring and the diagram of the scraping amount for each zone of the thrust collar clamping ring as the shaft axis processing scheme for the hydraulic turbine generator unit. 
     
     
         16 . The device according to  claim 15 , further comprising an information generation circuit configured to generate a comparison diagram of shaft axis states of the hydraulic turbine generator unit before and after the thrust collar clamping ring is scraped based on the scraping scheme for the thrust collar clamping ring and the diagram of the scraping amount for each zone of the thrust collar clamping ring; and use the shaft axis processing scheme and the comparison diagram of the shaft axis states as auxiliary information for scraping the thrust collar clamping ring of the hydraulic turbine generator unit. 
     
     
         17 . The device according to  claim 16 , wherein each zone of the thrust collar clamping ring is a circumferential zone, and the diagram of the scraping amount for each zone of the thrust collar clamping ring indicates a thickness of material to be mechanically removed from the clamping ring in different circumferential zones. 
     
     
         18 . The device according to  claim 10 , wherein the data calculation circuit is further configured to:
 calculate the net total runout data of the designated part based on the net runout curves, and generate a shaft axis state diagram and a shaft runout polar plot of the hydraulic turbine generator unit before the shaft axis is processed based on the net total runout data of the designated part; and   use both the shaft axis state diagram and the shaft runout polar plot as the shaft axis data diagrams.   
     
     
         19 . A computer device, being a terminal comprising a memory and one or more processors, the memory storing computer-readable instructions, wherein the computer-readable instructions, when executed by the one or more processors, perform the method of  claim 1 . 
     
     
         20 . A non-transitory computer-readable storage medium, having computer-readable instructions stored thereon, the computer being a terminal, wherein the computer-readable instructions, when executed by one or more processors of the terminal, cause the one or more processors to perform the method of  claim 1 .